/*
* Copyright ( c ) 2005 , 2019 , Oracle and / or its affiliates . All rights reserved .
* Copyright ( c ) 2012 , 2015 SAP SE . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*
*/
#ifndef CPU_PPC_C1_LINEARSCAN_PPC_HPP
#define CPU_PPC_C1_LINEARSCAN_PPC_HPP
inline bool LinearScan::is_processed_reg_num(int reg_num) {
assert(FrameMap::R0_opr->cpu_regnr() == FrameMap::last_cpu_reg() + 1 , "wrong assumption below" );
assert(FrameMap::R1_opr->cpu_regnr() == FrameMap::last_cpu_reg() + 2 , "wrong assumption below" );
assert(FrameMap::R13_opr->cpu_regnr() == FrameMap::last_cpu_reg() + 3 , "wrong assumption below" );
assert(FrameMap::R16_opr->cpu_regnr() == FrameMap::last_cpu_reg() + 4 , "wrong assumption below" );
assert(FrameMap::R29_opr->cpu_regnr() == FrameMap::last_cpu_reg() + 5 , "wrong assumption below" );
return reg_num <= FrameMap::last_cpu_reg() || reg_num >= pd_nof_cpu_regs_frame_map;
}
inline int LinearScan::num_physical_regs(BasicType type) {
return 1 ;
}
inline bool LinearScan::requires_adjacent_regs(BasicType type) {
return false ;
}
inline bool LinearScan::is_caller_save(int assigned_reg) {
return true ; // assigned_reg < pd_first_callee_saved_reg;
}
inline void LinearScan::pd_add_temps(LIR_Op* op) {
// No special case behaviours yet
}
inline bool LinearScanWalker::pd_init_regs_for_alloc(Interval* cur) {
if (allocator()->gen()->is_vreg_flag_set(cur->reg_num(), LIRGenerator::callee_saved)) {
assert(cur->type() != T_FLOAT && cur->type() != T_DOUBLE, "cpu regs only" );
_first_reg = pd_first_callee_saved_reg;
_last_reg = pd_last_callee_saved_reg;
ShouldNotReachHere(); // Currently no callee saved regs.
return true ;
} else if (cur->type() == T_INT || cur->type() == T_LONG || cur->type() == T_OBJECT ||
cur->type() == T_ADDRESS || cur->type() == T_METADATA) {
_first_reg = pd_first_cpu_reg;
_last_reg = pd_last_cpu_reg;
return true ;
}
return false ;
}
#endif // CPU_PPC_C1_LINEARSCAN_PPC_HPP
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